Rooney, 33, who had by that stage lost his regular starting spot at United under Jose Mourinho, was then omitted from a series of squads by manager Southgate before announcing his global retirement in August 2017, having initially targeted this year's World Cup in Russian Federation as his swansong.
The 33-year-old Rooney, who joined DC United from Everton earlier this year, retired from global duty in August 2017 as his country's record goal-scorer (53) and having won more caps (119) than any other England outfield player. "I would like to thank Gareth Southgate and the Football Association for inviting me back and helping to support my foundation in the process", Rooney said in a statement. England's record goalscorer will also be hoping to add to his tally of 53 worldwide goals. "It's fitting that the match will be against the US and I hope that both sets of fans enjoy the game". He is also Manchester United's record goal-scorer (253). We're fortunate that circumstances have allowed us to formally acknowledge Wayne's enormous contribution to England in front of the Wembley crowd and against apt opponents given the recent impact he has made in MLS.
The match - which will be held at Wembley and will raise funds for the Wayne Rooney Foundation - will be the DC United forward's 120th for England.
Rooney retired from worldwide duty in August 2017 as England's record goalscorer, while he has won more caps than any other outfield player.
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Rooney represented England in six major tournaments between 2004 and 2016, and was a member of the squad that made it to the quarter-finals of the 2006 World Cup in Germany.
Rooney's last appearance for his country came in the 3-0 win over Scotland two years ago, in which he has moved Stateside in that time.
Including him against the USA, so close to England's important Uefa Nations League fixture against Croatia a few days later, means that the occasion can turn into the "Wayne Rooney Show" and become a distraction.